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4-9-4. SETTING UP NEEDLE GUARD OF CHAINSTITCH LOOPER.
TOLERANCE
0~0.05mm
TOLERANCE
0.1~0.2mm
4-9-5. SETTING UP UPPER LOOPER
ADJUSTMENT CAN BE MADE BY LOOSEN
SCREW (3),(4) AND AFTER ADJUSTMENT,
MUST MAKE SURE TIGHTEN SCREWS.
WHEN CHAINSTITCH NEEDLE REACHED LOWEST
POINT OF ITS STROKE, THE TOLERANCE
BETWEEN REAR NEEDLE GUARD AND NEEDLE
IS 0~0.05mm AND THE TOLERANCE BETWEEN
FRONT NEEDLE GUARD AND NEEDLE IS 0.1~0.2mm.
1.WHEN UPPER LOOPER MOVES TO ITS HIGHEST POSITION,
THE DISTANCE BETWEEN TIP OF LOOPER AND CENTER
OF NEEDLE SHOULD BE AS SPECIFICATION CHART LISTED
BELOW AND ALSO PLEASE REFER TO DIAGRAM 2.
2.WHEN UPPER LOOPER PASSING THROUGH THE BACK
OF LOWER LOOPER. PLEASE REFER TO DIAGRAM 3.
FOR CORRECT TOLERANCE BETWEEN UPPER LOOPER
AND LOWER LOOPER.
3.WHEN SETTING,PLEASE LOOSEN SCREW (1),(2) AS
PER DIAGRAM 1. AND SET UP THE TOLERANCES
BETWEEN UPPER LOOPER AND NEEDLE,UPPER LOOPER
AND LOWER LOOPER AS PER SPECIFICATION CHART.
THEN,TIGHTEN SCREW (1),(2).
0.5mm
0.2mm
a
2
2
1
UH9005(H)
UH9005
UH9004
UH9003
a
4.5~5.0
UH9003(L)
1
2
1
2
4
3
4.3~4.8
4.5~5.0
4.3~4.8
4.5~5.0
DIAGRAM 1.
DIAGRAM 2.
DIAGRAM 3.
MODEL
SPECIFICATION CHART